sighting over albuquerque 808pm 3-13-04,what apeared to be a chevron shaped formation of eight dimond light flow over head, the size is estamated to be that of three airbus 300 aircraft flying in tight formation,not a sound was herd.I would gage the speed of the craft at or clost to 300knts. altude around 800/1000 ft.Icould clearly see the dimond shaped lights and could make out the reflective shape of what i would call the leading edge. the fly by lasted only 25 seconds no corse changes were seen